The shelf life of a rechargeable NiMH battery will vary depending on the storage temperature and the size of any attached load. The battery shelf life will also vary by manufacturer. Panasonic recommends the following for their NiMH battery cells.
Anton Beck - Battery Product Manager
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Determining the cost of a battery pack with fuel gauge technology will vary depending on the accuracy of the battery fuel gauge required. The overall size of the battery pack will also have an effect on the final cost. For example, if a high-accuracy gauge is required on a small multi-cell battery, it could potentially double the cost. The good news is that the cost of battery cells become relatively small when factoring in the added value received from implementing a fuel gauge.
This is a brief overview of how our custom battery pack development process works here at Epec. The actual completion time of the development of a custom battery pack will vary depending on the requirements of the application itself. Understanding each of the necessary stages and length estimates of concept through production will help you become prepared leading up to development.
